Methylene-group



noun, Chemistry.
1.
the bivalent organic group >CH 2 , derived from methane.

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  • Methylene-iodide

    noun, Chemistry. 1. a yellow liquid, CH 2 I 2 , soluble in alcohol and ether: used for the separation of mixtures of minerals and in organic synthesis.

  • Methyl-ethyl-ketone

    noun, Chemistry. 1. a colorless, flammable liquid, C 4 H 8 O, produced by synthesis or fermentation: used chiefly as a solvent, as a paint remover, and in the manufacture of plastics. Abbreviation: MEK. noun 1. another name for butanone methyl ethyl ketone See butanone.



  • Methyl-formate

    noun, Chemistry. 1. a colorless, water-soluble, flammable liquid, C 2 H 4 O 2 , used chiefly in organic synthesis and as a solvent.

  • Methylglyoxal

    [meth-uh l-glahy-ok-sal, -suh l] /ˌmɛθ əl glaɪˈɒk sæl, -səl/ noun, Chemistry. 1. .



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